MLB News: Ryan Zimmerman retires - Beyond the Box Score
Ryan Zimmerman retirement: Longtime National calls it a career
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Ryan Zimmerman - Washington Nationals First Baseman - ESPN
Washington Nationals great Ryan Zimmerman retires from MLB - ESPN
Mike Leake, Ryan Zimmerman and Joe Ross opt out of MLB season
Ryan Zimmerman retires
Ryan Zimmerman, who grew up with the Nationals, calls it a career
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Ryan Zimmerman Major League Baseball, News, Scores, Highlights
Nats320 -- A Washington Nationals Blog: Chatting With Ryan Zimmerman
From the very beginning': Washington Nationals retire Ryan
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Source - Nationals World Series MVP Stephen Strasburg to retire - ESPN